Drug Ratings for COZAAR

Average Rating: 2.6 (310 Ratings)

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Key to Ratings: 1=LOW (I would not recommend taking this medicine.)
5=HIGH (this medicine cured me or helped me a great deal.)   

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    Charts & graphs: Reviews Summary for COZAAR  | Top 10 Adverse Effects (reported to FDA)

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 1  high blood pressure Depression, confusion, and anxiety. I was wondering why I felt depressed, confused, and experiencing anxiety/panic attacks. I began reading the side effects and noticed those are some of the most common effects. I want to stop but Physician advice me to try half of the pill and monitor my BP and side effects. F 41 9 months
50 mg

 5  High Blood Pressure No side effects. Has controlled my BP and I have more energy than before. Also seems to be calming. M 62 4 months
100 MG 1X D

 1  high blood pressure Light-headed, fast heart rate, ears ringing. Not lowering my blood pressure at all. Nifedipine XL 60 mg and lisinopril 40 mg had been controlling my blood pressure well. The doctor changed me from lisinopril to losartan because of the annoying cough caused by lisinopril. Now my diastolic has shot up to the mid 90's, heart rate over 100, and my head and neck feel full of pressure. I'd rather put up with the lisinopril cough than have a stroke. Useless medicine in my case. F 64 3 days
100 mg

 4  high BP tired, fatigue, light-headed appears to do the job, but the fatigue is distressing. M 60 2 months
25 1X D

 2  HBP I have had an increase in BP while on 50 mg and Dr increased to 100. Now, ankles and legs oedematous and skin feels tight. I see Dr. Next week and going to ask to go off of this med. I have never had problem with Linsinopril except for the nagging cough which I would gladly trade for this uncomfortable edema and chest uneasiness which I never had before. I do not care for this med. I feel worse on it than I did before when on Prinizide. F 59 1 months
100 1X D

 1  blood pressure Severe vertigo every time I laid down. Quit taking it and went to doctor. He said the vertigo was just a coincident and not the med. He said to start taking 1/2 pill once the vertigo quit. I knew I shouldn't take it again, but I did when the vertigo stopped after 2 weeks. 2 days after I started again I had vertigo that lasted even longer - about 6 weeks. I also developed labyrinth that lasted for months and I still get it on and off. I'm still scared to lay flat down and sleep elevated a year later. Would NEVER take this medication again F 44 3 days
50 1X D

 3  HBP No side effects, but hasn't lowered my BP (maybe even increased it slightly??). Dr. wants to put me on Diovan, but am thinking I should just go back to cutting out sugar and refined carbs and control it the natural way :/ F 59 3 months
50 mg

 5  Blood Pressure None DR, switched me from Diovan to Losartan for cost reasons. An earlier rating mentioned this helped with ED. I found this to be true, too. Am taking Cialis 5mg. daily for BPH and ED. M 55 60 days
100mg 1X D
 1  High blood pressure Bp stayed high. After about 1 month or so chest would hurt continued taking. Told doctors they didn't change it one doctor even said I heard something when listening to heart did nothing two weeks later heart went afib. Went to er after one day got it back in gave me more medicince and left me on this one also. Tried to tell them my heart still hurt after I took it. Went to another doctor he took me off and heart stopped hurting. No more afib. Been two years. F 58 3 months

 1  hypertension The generic version does not work. If anything BP increased. F 51 3 years
50 mg 1X D

 1  High Blood Pressure I tried taking this medication about 2 weeks ago and got really bad chest pains for 2 days. Being an EMT I stopped taking it because my pain was bad. I tried taking it again today thinking maybe something didn't react well with it but same thing. I took it this morning and about 4 hours later my chest pain is back. I'll be calling my doctor to say I can't takethis medication. F 43 3 days
40mg daily 1X D

50 1X D

 1  Hypertension Dizzyness, fast heart rate, insomnia, tiredness, weakness in my arms and legs, bresthlesness, the worsf was the burning sensation in my throat and esophagus, erratic emotions. It was like I was wide awake but tired and bresthless. I tried to run and thoughgt I was going to die. This is not the medication for me. F 35 3 days

 2  high blood pressure Body feels HUGE. Restless legs pain in knees and lower legs. Started on 100mg got a rash, severe itching, hair loss, no energy. Dr cut it back to 50mg and no improvement getting worse. Used to work out 3-5 times a week. Now lucky if I can stay in the elliptical for 15 minutes. If I skip this medication for a day, I don't feel as swollen until about 5 or 6 hours after I take it again. Insurance will no longer cover divan but I am not staying on this. F 60 7 months
50 mg

 3  High Blood Pressure awful insomnia & muscle aches believe it or not, helps with ED issues M 64 30 days
25 MG 1X D

 2  blood presssure constant headache and upset stomach terribl meds took 2 years to realize this.....went to many doctors..... F 65 1 years
100 mg 1X D

 1  high bliod pressure Hair loss.severe panic attacks.big Johnson stopped working.this crap sends me to the Er. M 54 2 months
 3  hypertension Bloating, gas, phlegm unable to cough up since on ramipril, weight gain that will not go away with exercise, sore on tongue I'm going to go off of Cozaar for awhile to see if can shake this phlegm from Altace. and shake some of this weight off. M 64 30 days
50 mg x 1 1X D

 2  lower blood pressure Swelling in feet and legs, retaining fluid. Restless at bedtime. Has stirred up my A-Fib. Has not lowered my blood pressure. F 74 2 months
100 1X D

 1  high blood pressure Burning throat and gullet. sore stomach, lower back pain, numbness of heel and toes, Insomnia,fatigue.nausea,headache, Constipation/Diarrhoea, Tinnitus. Acid reflux Severe.Scalp Itch.. I've used cozaar/ potassium losartan for about 2 yrs. Had constant side effects..Cozaar really made me ill. I informed the Doctors but all dismissed the side effects. Eventually12/09/2013 admitted into hospital for Gastroscopy endoscopy. Had six biopsy's now got Barrett's oesophagus due to constant burning of throat,also erosive gastritis caused by acid formed from Cozaar. I took myself off Cozaar for 3weeks now and feel so much better.Why don't the Doctors listen when patients complain about side effects it could save unnecessary anguish and pain. F 72 2 years
50mg 1X D
 4  Hypertension Pain in shoulders and calves M 74 160 days
50mg 1X D

 1  Hypertension Worst drug ever! Short of breath, rapid heart rate... These two side effects are worsened when i try to take any type of medication--whether RX or OTC. And I have been off this horrible drug for four months--I pray it will go away.... F 57 2 months
25 mg
 4  High blood pressure Slight depression. 50 mg once daily lowered blood pressure. After several years, BP increased. Doubling the dose to 100 mg did not make any improvement over 50 mg -- had to add a second medication (HCTZ). Improved libido. M 65 10 years
50 mg 1X D

 4  ^ Bp 3 days no problems as of yet....bp up and down but 1 good ready 124/76 I haven't seen that lately. I'm a herbal person so this is all new to me taking prescribe meds on a daily basis...and your reviews are scary.....I'm recording my bp and what I was doing @ the time and date. Give to my doctor so he can see bp pattern and eat a balance healthy diet...exercise...and pray to control bp and get off of meds totally. 49 1 days

 1  Hypertension Low back pain, Increased urination, hypoglycemia, cramps, anxiety and depression. Beware, the side effects of this medication will sneak up on you. I started at 25mg once a day and went up to 50mg a week ago. At first i tolerated this med well. Then I started experiencing problems with my digestive system (cramps, nausea, lack of appetite.) Then I developed a pain in my right low back in the location of my kidney. When I went up to 50 mg, I started experiencing rapid heartbeat after the second dose. Last night, my heart was beating so rapidly I was afraid I was going to have a stroke, so I had to lay in bed and take deep breaths until my heartbeat seemed to slow down and I eventually went to sleep. As I write this I am resting and discontinuing this nasty medication. Earlier in the day, I was out shopping when I suddenly became pale white and felt like I was going to faint. As I have experienced hypoglycemic symptoms in the past (but under control for many years) the only thing I could think of to do was ingest sugar immediately. Surprise, the symptoms gradually alleviated and I made it home (just barely.) I am continuing to take glucose tabs but am feeling better. Be VERY careful with this med and don't drive until you know how it will affect you. M 52 14 days
25 2X D

 4  hypertension Possible vivid nightmares. Hard to discern if this medicine is the cause. Tried metoprolol, lisinopril, HCTZ, and diltiazem before trying this one and having no gi side effects. Worked for me versus the others. F 50 6 months
50 mg 1X D
 1  Hypertension Tachycardia (rapid pulse) 135 bpm requiring hospitalisation, hot sweats, flushing, skin rash, anxiety, panic attacks, irritability and insomnia. BP did not lower while taking Cozaar, it increased. Changed to Losartan (ARB) because ACE did not suit me and found it even worse. M 31 28 days
50mg 1X D

 1  Hypertension Severe Depression, I am crying and irritable which is not normal for me. I just threw the bottle in the trash. The first day or two on it and its not so bad, but after 2 days I am a crying mess and hanging up on friends when they call. I actually am having this problem with several of the blood pressure medications. M 48 1 months
50mg 1X D
 3  I was on Norvasc 0.5 mgs. for years
1X D

 4  hypertension several times taking Losartan I have had rapid pulse rate of 127 F 74 6 months
50MG 2X D

 2  hypertension Shortly after upping my dose from 25 mg. to 50 mg. I developed excruciating patellar tendonitis in both knees. Upping the dose was the only variable , so I cut back to 25 mg. and after 5 weeks the pain is completely gone. Even 25 mg. of Losartan potassium has caused fatigue, worsened ankle swelling and weight gain. F 75 6 months
50 mg. 1X D
 1  High Blood Pressure Extreme vertigo/dizziness, swollen feet, feelings of doom I went on cozaar because it was cheaper than Diovan; but I could not deal with the dizziness. It was so bad sometimes I couldn't leave the house. Switched to Atacand, but still having the same problems. Not sure if they are caused by the Cozaar still being in my system or the Atacand. I am going back to Diovan because I never had any problems with it. Too bad it is so expensive--- F 77 1 months
2X D
 2  Hypertension Anxiety, Depression, Random Musoskeletal Pains, Headaches, Discomfort, Pelvic Pain, Abdominal Pain It does help lower my diastolic reading by about 15 but not much for my systolic. I had hell while taking both the generic and original versions of this med. Decided I had it with the anxiety and depression, so I stopped taking it. Trying a natural approach to it. M 34 1 months
100mg 1X D

 2  Blood Pressure I suffered a TIA in early Sept 2012 and was prescribed Ramapril at first. I suffers many uncomfortable side effects from depression to vertigo type symptoms. Over Christmas I decided to stop taking the BP pill and low and behold my life returned to normal. I explained to the doctor what I'd done and she prescribed Lorsatan manufactured by Dexcel Pharms. One hour after taking the first pill I suffered the worst dizzy spell I had ever experienced. I will keep trying this pill and see how I progress. M 53 2 days
 1  High blood pressure Dizzy, cough, sore throat that affects my ears,complete nasal blockage, lungs are now congested, burning glassy eyes, fever, chills I was using Lispiral but the coughing was disturbing everyone at work so dr. switched to generic Cozaar. I took the first pill and within 2 hours, I felt like I had the worst head cold ever. I'm afraid to continue with it but I might cut pill in half. Just a couple months ago my BP was 100/70 so this is very sudden. F 63 3 days
50 mg 1X D
 1  Borderline High Blood Pressure Leg pain, neck/shoulder pain, headaches After going off Losartan, I experienced bad anxiety, headaches and tension which lasted for about a month. Reduced salt intake, did acupuncture, massage, and yoga. Now my blood pressure is normal, I'm 10 lbs lighter and I feel great. Don't let your Doctor put you on blood pressure meds until you've tried altering your diet. There's a lot of salt in restaurant food and processed food; try eliminating sodium first. M 45 5 months
50 1X D

 5  hypertension Great med highly recomend M 25 10 days

 3  Sudden Onset Hypertension So far just stomach aches which I can only trace back to this medication. Other than that, nothing really Given this medication for a sudden onset of hypertension. One of my MS medications has given me some hypertensive issues. So far other than stomach aches it seems to be helping me. BPs are not where they should be but they are coming down. It's only been 10 days so giving it a chance. F 38 10 days
100 1X D

 1  High Blood pressure Itching, burning skin and welts F 69 6 weeks
50 1X D

 2  HBP Hoarse voice and dry sore scratchy feeling in throat. The worse symptom is pain in the lower abdomen. Not sharp pain, but dull aching pressure constantly with feeling that I need to have a BM. Also passing huge amount of gas and having more BM's than usual. After two weeks, legs ache and head aches off and on. Eyes are red and painful. I'm feeling so depressed today. I can't understand WHY there isn't a BP medication out there that doesn't have terrible side effects for me? Why is it that the majority of people I know are on BP meds, and they have no problems, but I have had bad reactions to every single one. The doctors think I'm a "nut case", and don't believe me! Do they think I WANT to have a stroke like my father had? Of course I don't, but all BP meds lower my quality of life so drastically, that I can't take them. When I'm not taking any meds, I feel fantastic for my age, with no physical complaints at all, and lots of energy. I dread seeing my doc tomorrow, but I have to go in and tell her that "another one bites the dust"! F 76 14 days
25 1X D
 4  high blood pressure shortness of breathe when i push myself physically,a little thinning of the hair,the upside i've noticed i have more stronger and harder erections. i was on 50mgs cozaar for 10 yrs i had no side effects,medicine wasn't doing it's job anymore so dr increased meds to 100mgs cozaar,having a few side effects,hopefully they'll stop when my body adjusts to increased dosage. M 51 2 weeks
100 mgs 1X D
 5  HBP None Over the past 7 years I've taken Diovan (horrible side effects) and Atacand, both with HCTZ. I always believed Atacand to be wonderful, but it was removed from my RX plan. So far, Losartan is even better at managing my BP and presents no side effects. Apparently, I did have sides from Atacand, like tingling fingers, fatigue, vivid dreams, and various aches and pains. I'll be sure to complain if anything changes. M 56 3 days
50 1X D

 1  High blood pressure. When I started with Losartan potassium i felt dizziness and some stomach discomfort but I was able to overcome these. However, I was not able to overcome the fact that my systolic pressure was 20 points higher then on my previous bp medication, the feeling of pressure in my head and the feeling of swelling in my face and fingers -- all of which were getting worse. When I returned to taking my previous bp medication all of these symptoms seemed to ease up. However, I am only on the first day of my previous medication so I have to see if the relief continues. Will not take Losartan potassium again. F 55 30 days
50 1X D
 5  HIGH BLOODPRESSURE After experiencing coughing after taking cozaar, a Dr.friend of mine suggested that I should take half pill in the morning and half in the eveninmg. It did the trick, I hardly cough anymore. I am 91 Years old, my bloodpressure has levelled to 140/75, before that it was 160 in the morning and 130 in the evening. Good luck Joe Eicher Cape Town M 91 15 years
50 MG 1X D
 2  hypertension Extreme fatique. All I wanted to do is sleep. M 30 4 days
50 mg

 2  Hypertension I was placed on cozaar 50 mg 4 years ago for moderate hypertension. 2 years later my dose was increased to 100 mg. within the past year I started to feel more anxious and depressed. Difficulty sleeping at night but very fatigued during the day. Over the past 3 months I have started to have increased joint pain in my knees, shoulder and hips. I have also developed chronic pain in my lower back. I have also developed tingling in my hands and feet. I feel a bit foggy with my short term memory. I am very worried about all of this and want to switch my blood pressure medication because of all of these side effects. I am not on any other medications. M 57 4 years
100 mg

 3  Hypertension My hypertension is hereditary from my fathers side. Since 2005, I've been on Clonodine, Lisinopril, Benicar, now I am taking 100mg of Losarten (Cozaar)a day. Pros: Does keep my BP around 130/80 80% of the time. Don't have the displaced, anxiety/insomnia feeling like the previous drugs. Cons: Like the previous drugs, still have the mild depression/crankyness. The worst being the lethargic, dragged out feeling. I used to go to the gym 4-5 times a week. Now I'm down to 2 days. No incentive. Hard to concentrate trying to get things done. Regular exercise and BP meds don't mix. It's one or the other. I want to tell my doctor but he already thinks I'm nuts for changing the meds all the time. I'm employed but have no heath insurance. $450 to see my doctor for 10 minutes. Good luck stay positive. M 47 3 months
100mg 1X D
 2  bp after cardiac surgery cough dizzy M 55 120 days
50 1X D

 1  hj√§rtsvikt overklighetsk√§nsla M 79 2 years
50 mg 1X D

 1  HBP I had palpitations, rapid heart beat, panic attacks. I had the rare side effect--panic attacks where I had to go to the emergency room. Doctor (one of the "finest" in New York) insisted that I get back on it. Needless to say I found another doctor and medication. I thought there was something seriously wrong with me. The symptoms were unlike anything I had ever experienced. They stopped once I came off the drug. F 59 6 months
30 MG 1X D

 4  high blood pressure Fatigue when I first started on medication. Later, intermittent episodes of light-headedness/dizziness. My blood pressure was borderline-high (130/90) for about two years and my internist decided to put me on a generic b.p. medication. I felt so tired that I stopped taking the medication and my internist just shrugged when I told him. Then in 2008, I developed breathing problems after exposure to a toxic substance. My b.p. shot up so high that my new internist insisted that I go on medication; after I told her my reaction to the previous medication, she decided I should take Cozaar. As I was pretty sick from the toxic exposure, I don't know if I had any side-effects from the Cozaar but my b.p. readings were much better and the internist said to stay on the medication. Earlier this year, I was told I would need to switch to Losartan, the generic of Cozaar. My internist then remarked at subsequent office visits that my b.p. readings were very low. I purchased a b.p. monitor and started taking my b.p. in the mornings but the readings were fine. However, I started having short episodes of light-headedness, usually when walking my dog in the afternoon. They started occurring more frequently so at my last check-up in October, my internist cut the dosage in half (from 50 mg. to 25 mg.). It took a few weeks but the dizziness and light-headedness no longer occur. F 62 1 years
25 mg. 1X D

 2  Hypertension Insomnia and wierd dreams. I tried taking it in the morning but that didn't help. M 61 60 days
30 mg 1X D

 1  hypertension The most pronounced side effect is dizziness which is horrible to me. Also, leg cramps and the feeling of the flu, not sure if I have the flu or not but this is not good at all. This is the first time I have been prescribed meds for BP and my doctor said this has very little side effects. At first everything was fine but not any more. I am going to break pill in half and see if the side effects improve and then call my doctor. This is effective for lowering my BP but I cannot continue like this. Just horrible M 56 2 weeks
50 MG 1X D
 1   cough, running nose, sneezing, mucus in the chest M 76
1X D

 1  prehypertensive Incapacitating dizziness that lasted for a week after I stopped. Fatigue and lethargy. A complete nightmare. M 53 14 days
10 mg 1X D

 1  Hypertension All I want to do is sleep. I have no energy; I feel so lethargic. I have never had trouble with depression, yet I sometimes feel like I want to cry. I have a daily headache and an intermittant dry cough. But worst of all, for the first time in my life I am have edema of the legs and feet! And then the leg and feet cramps are excrutiating! I am so sore from them I can hardly move! Although I have an appointment in 4 weeks, I am going to see if I can get in to my doctor earlier. I just can't continue this way. The BP is under great control, but these side effects are so hideous that taking the evil little pill just doesn't seem worth it! F 62 60 days
50 mg 2X D

 1  hypertension Extreme fatigue, weakness, breathless (difficulty to speak due to shortness of breath), severe backache (maily shoulder and stiff neck). Muscle twitching all over my body (very annoying) and dry mouth. I was taking half of the dose prescribed, imagine if I were taking 50mg! M 41 3 weeks
25mg 1X D
 1  Hypertension mild cough, headache, but the worst is my sore throat. :( I had been taking Diovan without any issues. Then I decided, hey lets try to save some money - and I switched to Lisiniprol. I got a horrid cough, as many had. It went on for a year before it was finally diagnosed properly. This is after I spent a ton of money on allergy medicines, cough syrup, cough drops, and doctor appointments. I finally googled a cough and found out that is a side effect. I went off - and about 2 weeks later the cough was gone. I went back on my Diovan. Had no problems. I decided again, Hey lets save some money. (You would think I would have learned by now.) I have now been on Losartan for about 14 days. About 3 days after taking the pill I had a mild cough that would only happen a few times a day. 3 days after that I got a sore throat. I also have noticed mild nasal congestion at night, and headaches. I have been treating myself for a cold that is not really there!! I finally got smart and googled the side effects of my new drug, and was (really not) surprised to see another wonderful side effect! So tomorrow I'm going back to Diovan. Again. F 31 14 days
100MG 1X D
 2  high blood pressure I have had ankle swelling terribly here in the last almost 2 months. I also have red eyes all the time that sting. Back ache. Tiredness in the am after taking meds still. I also take Hydrochlorthizide with this. Big weight gain since taking this too. Seems to be controlling BP if I can stand all the side effects. Going to speak with the doctor on my next visit about maybe going off of this med. I do not feel it's good for me. F 53 4 months
50 mg 1X D

 2  blood pressure severe back pain extending into butt and thighs, severe metalic burning taste in mouth, lack of ability to taste, shakey feeling, tired, dizzy, soreness in abdominal area and sides doctor doesn't seem to respond to my complaints so i am taking myself off this drug. have others experienced these side effects and how long do the side effects last once you stop taking the drug. thanks for any input M 64 1 years
25mg 1X D
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