Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil and hair growth Plaquenil malaria dosage Can you take prednisone with hydroxychloroquine Plaquenil and muscle stiffness For the treatment of acute Q fever in patients with preexisting valvular heart disease, the US Centers for Disease Control and Prevention CDC recommends that hydroxychloroquine be given in a dosage of 465 mg 600 mg of hydroxychloroquine sulfate daily in conjunction with oral doxycycline 200 mg daily for 1 year. One PLAQUENIL tablet contains 200 mg of hydroxychloroquine sulfate, which is equivalent to 155 mg base. Take PLAQUENIL with a meal or a glass of milk. Malaria Prophylaxis. Adults. 400 mg 310 mg base once weekly on the same day of each week starting 2 weeks prior to exposure, and continued for 4 weeks after leaving the endemic area. Hydroxychloroquine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies, or to become more depressed. If you or your caregiver notice any of these side effects, tell your doctor right away. This medicine may cause hypoglycemia low blood sugar. Hydroxychloroquine may also be used for purposes not listed in this medication guide. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine dosage 200 mg Hydroxychloroquine Plaquenil, Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects. Quitting plaquenil Hydroxychloroquine is taken in tablet form, with or after food. Your doctor will advise you about the correct dose. Usually you will start on a full dose of 200–400 mg daily, and later your doctor may reduce this. When your condition is very well controlled you may be advised to take hydroxychloroquine only 2–3 times per week. Hydroxychloroquine Side-effects, uses, time to work. Hydroxychloroquine Oral Route Precautions - Mayo Clinic. Hydroxychloroquine Oral Route Proper Use - Mayo Clinic. Feb 19, 2020 To treat lupus erythematosus, the average adult dose is 400 mg once or twice daily. Plaquenil may interact with acetaminophen, cancer medications, tuberculosis medications, birth control pills or hormone replacement therapy, arthritis medications, ACE inhibitors, antibiotics, antifungals, cholesterol medications. Generally, hydroxychloroquine is given in 200 mg or 400 mg doses, once per day. Higher doses can sometimes be used, but only in adults and not for all cases. Some people tolerate this medication much better than other people, so it is important that individuals who are considering taking hydroxychloroquine talk with their doctor about the lowest necessary dose to reduce or eliminate their symptoms. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy.