CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The main side effects of losartan are dizziness and fatigue, but they're usually mild and shortlived. See additional information. Pill Identifier Tool Quick, Easy, Pill Identification, Drug Interaction Tool Check Potential Drug Interactions, Pharmacy Locater Tool Including 24 Hour, Pharmacies. Side Effects for LOSARTAN POTASSIUM TABLETS, 100 MG (losartan potassium tablet) are also known as adverse reactions. Losartan can cause side effects. In the RENAAL study -- a premarketing study -- 14 percent of the 1,513 participants reported feelings of fatigue. Selected from data included with permission and copyrighted by First Databank, Inc. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment. Treatment with COZAAR was well-tolerated with an overall incidence of adverse events similar to that of have been reported. The following less common adverse reactions have been reported: Blood and lymphatic system disorders: Anemia. General disorders and administration site conditions: Edema. In the mean time my vision deteriorated. See "Drug Precautions" section. These include: chest pain; fainting See below for a comprehensive list of adverse effects. Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Patients with kidney problems disease have a high probability of experiencing any of these side effects. © 2005 - 2019 WebMD LLC. and/or swelling of the face, lips, pharynx, and/or tongue has been reported rarely in patients treated with Although near the beginning I did mention it to a doctor and he dismissed it. Musculoskeletal and connective tissue disorders: Myalgia, arthralgia. Skin and subcutaneous tissue disorders: Urticaria, pruritus, rash, photosensitivity. Most people do not experience serious adverse reactions to losartan potassium. You may report side effects to FDA at 1-800-FDA-1088. This side effect is commonly experienced by people being treated for diabetic nephropathy. Gastrointestinal disorders: Abdominal pain, constipation, nausea, vomiting. Common losartan side effects (affect between 1 in 10 and 1 in 100 people) Dizziness, including dizziness when moving from sitting to standing. Losartan may cause serious side effects. The most common side effects of losartan in people with high blood pressure are: "colds" (upper respiratory infection) dizziness; stuffy nose; back pain; Tell your doctor if you get any side effect that bothers you or that won’t go away. Diarrhea. In 4 clinical trials involving over 1000 patients on various doses (10-150 mg) of losartan potassium and over 300 patients given placebo, the adverse events that occurred in ≥2% of patients treated with COZAAR and more commonly than placebo were: dizziness (3% vs. 2%), upper respiratory infection (8% vs. 7%), nasal congestion (2% vs. 1%), and back pain (2% vs. 1%). Tell your doctor if any side effect gets worse or does not go away. In Summary. This is not a complete list of side effects and others may occur. back pain (2% vs. 1%). Vasculitis, including Henoch-Schönlein purpura, has been reported. placebo. Losartan belongs to a class of drugs called angiotensin receptor blockers (ARBs). How to Lower Blood Pressure: Exercise Tips, Candesartan Cilexetil Hydrochlorothiazide, * Demographics = (89% Caucasian, 64% female). Tell your doctor if you experience serious side effects of Cozaar including pain or burning when you urinate; pale skin, lightheadedness, shortness of breath, rapid heart rate, trouble concentrating; wheezing, chest pain; drowsiness, confusion, mood changes, increased thirst, loss of appetite, nausea and vomiting; swelling, weight gain, urinating less than usual or not at all; or high potassium (slow heart rate, weak pulse, muscle weakness, tingly feeling). incidence of cough in hypertensive patients who had experienced cough while receiving ACE-inhibitor the side effects come on very subtly which made it hard for me to recognize it was the losartan causing it. were similar to placebo (19% for COZAAR, 24% for placebo). 8 weeks. The double-blind treatment period lasted up to If serious side effects do occur, seek urgent medical attention. those reported previously for patients with hypertension. In controlled clinical trials, discontinuation of therapy for adverse events occurred in 2.3% of Reproductive system and breast disorders: Impotence. Hypersensitivity: Angioedema, including swelling of the larynx and glottis, causing airway obstruction Losartan is used alone or in combination with other medications to treat high blood pressure. Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in study involving 1513 patients treated with COZAAR or placebo, the overall incidences of reported hypoglycemia, back pain, muscular weakness, and urinary tract infection. It prevents the blood vessels in your body from narrowing, thus lowering your blood pressure and improving the blood circulation. Indigestion. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. WebMD does not provide medical advice, diagnosis or treatment. Read the entire FDA prescribing information for Cozaar (Losartan Potassium). 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