This medicine is also sometimes given off-label to help the following conditions: Also, let your doctor know if you drink large amounts of alcohol before starting on this medicine. Your doctor will probably want to order frequent tests to check your body's response to chloroquine. Plaquenil bull& 39 Does the drug plaquenil cause hair loss Plaquenil ophthalmology screening recommendations Chloroquine administration is associated with an increased risk of QT prolongation and torsades de pointes TdP. The need to coadminister chloroquine with drugs known to prolong the QT interval should be done with a careful assessment of risks versus benefits and should be avoided when possible. How to use Chloroquine Phosphate. Take this medication by mouth, usually with food to prevent stomach upset, exactly as directed by your doctor. Daily or weekly dosing, dosage amount, and length. Chloroquine should be used with caution in patients with known porphyria cutanea tarda. Chloroquine can be used to treat porphyria cutanea tarda, but in a very low dose 125 mg twice weekly as a dosage of 250 mg/day can trigger a porphyria crisis, which can be fatal. Chloroquine is contraindicated. Let your healthcare provider know if your symptoms either don't improve or worsen while taking this medicine. Keep all appointments with your doctor and laboratory. Administration with chloroquine Chloroquine - FDA prescribing information, side effects., Chloroquine Oral Uses, Side Effects, Interactions. Atovaquone proguanil chloroquine doxycycline or mefloquineWhat labs are required while on plaquenil Summary. Aralen is the brand name for the generic drug chloroquine, an anti-malaria drug used to treat malaria and amebiasis infection that's spread outside of the intestines. Dosage, drug interactions, and pregnancy and breastfeeding safety information should be reviewed prior to taking this drug. Aralen chloroquine Malaria Drug Side Effects & Dosage. Chloroquine DermNet NZ. Chloroquine confirmed as anti-viral drug for Coronavirus. Chloroquine per week starting at least 1 week before. traveling to the area where malaria transmission occurs. They should take one dose per week while there, and for 4 consecutive weeks after leaving. The weekly dosage for adults is 300mg base 500mg salt. Chloroquine works best when you take it on a regular schedule. For example, if you are taking it once a week to prevent malaria, it is best to take it on the same day of each week. Make sure that you do not miss any doses. If you have any questions about this, check with your doctor. Chloroquine is also used for prophylaxis for pregnant women and non-immune individuals at risk. Dosage and administration. All dosages are described in terms of the base. Treatment. Oral administration. To avoid nausea and vomiting chloroquine should be administered after meals.