Possible Side Effects Hydrochlorothiazide
Check with your doctor if any of these most common side effects persist or become bothersome:* Constipation; diarrhea; dizziness; lightheadedness (especially when sitting up or standing); loss of appetite; nausea; temporary blurred vision.Seek medical attention right away if any of these severe side effects occur: * Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); confusion; dark urine; decreased urination; fainting; fast or irregular heartbeat; fever, chills, or persistent sore throat; increased thirst; joint pain, swelling, warmth, or redness (especially of the big toe joint); mental or mood changes; muscle pain or cramps; numbness or tingling; red, swollen, blistered, or peeling skin; seizures; severe or persistent dizziness; severe or persistent nausea or stomach pain; shortness of breath; unusual bruising or bleeding; unusual drowsiness, restlessness, tiredness, or weakness; unusually dry mouth; vomiting; yellowing of the eyes or skin.

Drug Class and Mechanism Hydrochlorothiazide
Hydrochlorothiazide is a thiazide diuretic. It helps the kidneys to remove fluid from the body.

More InformationHydrochlorothiazide here
If you have any questions about Hydrochlorothiazide, please talk with your doctor, pharmacist, or other health care provider. Hydrochlorothiazide is to be used only by the patient for whom it is prescribed. Do not share it with other people.