Plasmodium vivax malaria can recur because the parasite has a dormant stage (hypnozoites) that hides in your liver and reactivates months later. Fortunately, it can be completely cured. Doctors use chloroquine to clear the active blood infection, combined with primaquine or tafenoquine to destroy the dormant liver stage. Regarding your liver, both the parasite's presence and the medications can temporarily stress it, occasionally causing mild, reversible changes in liver function tests. This is a common, manageable response, and your liver function typically returns to normal after successful treatment. Your doctor will simply run a quick G6PD blood test beforehand to ensure these medications are entirely safe for you.

For malaria prevention, the standard adult dose of chloroquine phosphate (Lariago) is typically two 250 mg tablets taken once a week, on the same day. You should start 1 to 2 weeks before entering the area, take it weekly during your stay, and continue for 4 weeks after leaving. It works by entering your red blood cells and preventing the malaria parasite from multiplying. Because the medicine clears very slowly from your system, it provides residual protection for about 4 weeks after your final dose.

Lariago can definitely irritate the stomach. To help ease this, try taking your medication with a meal. For the severe vomiting and acid, a generic antiemetic like ondansetron and a generic proton pump inhibitor like omeprazole are often very effective when standard heartburn remedies fail. Please contact your prescribing doctor right away. They can safely prescribe these supportive medications to help you tolerate the treatment or adjust your therapy. In the meantime, try to take small, frequent sips of water to stay hydrated.

Since you have completed your 14-day course of primaquine?which targets dormant parasites in the liver?and taken your weekly Lariago (chloroquine) for two months, the risk of malaria coming back is extremely low. This regimen is highly effective at preventing relapses. While rare, a recurrence can still happen, usually from a new mosquito bite (reinfection) or occasionally due to drug resistance. Please continue protecting yourself from mosquito bites. If you develop a fever, chills, or flu-like symptoms, consult your doctor for a simple blood test.

Since Lariago DS treats the active blood infection, clearing the dormant liver stage requires extra care. Because standard primaquine can cause red blood cell breakdown in G6PD deficiency, your doctor may suggest a closely monitored, weekly low-dose primaquine regimen over eight weeks, or prescribing weekly chloroquine to prevent relapses. Please consult an infectious disease specialist to safely tailor the best prevention plan for you.

Diarrhea can actually be caused by both. A viral fever itself can sometimes upset your digestive system. However, it is also a very common side effect of your medications. Cefister AZ (containing cefixime and azithromycin) is an antibiotic, which can temporarily disrupt the healthy bacteria in your gut and cause loose stools. Lariago (chloroquine) can also cause mild stomach upset. Please stay well-hydrated with plenty of fluids or ORS. If the diarrhea is severe or persistent, please contact your doctor, as they may suggest a probiotic or adjust your treatment.