Chloroquine phosphate (the active ingredient, its specific salt form may vary depending on the brand)Inactive ingredients (vary by formulation; check product label for specifics. May include fillers, binders, coatings)
Treatment of malaria caused by susceptible Plasmodium species (depending on local resistance patterns, consult a doctor for appropriate usage)
Treatment of certain types of amebiasis (intestinal infection caused by Entamoeba histolytica)
Treatment of rheumatoid arthritis (in some regions, though less common now due to safer alternatives)
Treatment of lupus erythematosus (in some regions, though less common now due to safer alternatives)
Larquin 500mg Tab (Chloroquine) accumulates in parasitized cells and lysosomes, interfering with the parasite's heme detoxification process and causing its death. In autoimmune diseases, its mechanism isn't fully understood, but it may involve immunomodulatory effects.
Store at room temperature, away from moisture and direct sunlight. Keep out of reach of children. Discard expired medication properly.
Dosage varies greatly depending on the condition being treated, the patient's age, weight, and overall health. Always follow your doctor's prescription.
Typically administered orally, usually with food to reduce stomach upset.
Do not stop taking the medication without consulting your doctor, even if you feel better.
Changes in heart rhythm (rare, but serious)
Nausea
Vomiting
Diarrhea
Headache
Dizziness
Blurred vision
Skin rash
Hair loss (rare)
Alcohol may increase the risk of side effects, including nausea and vomiting. Consult your doctor.
Chloroquine can cause dizziness and blurred vision. Avoid driving or operating machinery until you know how the medication affects you.
Use only if the benefits clearly outweigh the potential risks to the fetus or infant. Discuss with your doctor before using.
Dosage is adjusted for children's weight and age. Follow your doctor's instructions precisely.
Caution is advised in patients with kidney disease; dosage adjustments may be necessary.
Caution is advised in patients with liver disease; dosage adjustments may be necessary.
Your doctor or pharmacist
The prescribing information that comes with your medication
Reputable medical websites and journals (e.g., the FDA, the CDC, PubMed)
