Losartan

How should you use this medication?
Take this medication by mouth. Take it as directed on the prescription label at the same time every day. You can take it with or without food. If it upsets your stomach, take it with food. Keep taking it unless your care team tells you to stop. Talk to your care team about the use of this drug in children. Special care may be needed.

What are the possible side effects of this medicine?
Side effects that you should report to your care team as soon as possible:

Allergic reactions-skin rash, itching, hives, swelling of the face, lips, tongue, or throat
Dehydration-increased thirst, dry mouth, feeling faint or lightheaded, headache, dark yellow or brown urine
Gout-severe pain, redness, warmth, or swelling in the joints, such as the big toe
Kidney injury-decrease in the amount of urine, swelling of the ankles, hands, or feet
Low blood pressure-dizziness, feeling faint or lightheaded, blurry vision
Low potassium level-muscle pain or cramps, unusual weakness, fatigue, fast or irregular heartbeat, constipation
Sudden eye pain or change in vision such as blurred vision, seeing halos around lights, vision loss Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
Change in sex drive or performance
Dizziness
Headache
Runny or stuffy nose
Upset stomach

Show all possible side effects

What may interact with this medicine?
Our pharmacists will check to see if this medication will cause any interactions with the information in your profile.
Do not take this medication with any of the following:

Cidofovir
Dofetilide
Tranylcypromine This medication may also interact with the following:
Barbiturates, like phenobarbital
Blood pressure medications
Celecoxib
Diuretics, especially triamterene, spironolactone or amiloride
Fluconazole
Lithium
Medications for diabetes
Medications that relax the muscles for surgery
Narcotic medications for pain
NSAIDs, medications for pain and inflammation, like ibuprofen or naproxen
Potassium salts or potassium supplements
Rifampin
Some cholesterol-lowering medications like cholestyramine or colestipol
Steroid medications like prednisone or cortisone