It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Plaquenil dosage for malaria prevention Plaquenil lyme disease Methotrexate and plaquenil for lupus The molecular weight of hydroxychloroquine sulfate is 433.95, and molecular formula is C 18 H 26 ClN 3 O. H 2 SO 4. PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration. Potassium imbalances like hyperkalemia too much potassium and hypokalemia too little potassium can cause serious health problems like irregular heart rhythms and cardiac arrest. Hospitalizations for these imbalances do occur. In fact, about 2% of hyperkalemia cases end in death. Chloroquine and Hydroxychloroquine Overdose Chloroquine Aralen®is commonly used for the treatment and prevention of malaria. Hydroxychloroquine, a constituent of chloroquine, is sold in the U. S. as Plaquenil® and is also utilized for its anti-malarial activity. The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. Hydroxychloroquine hypokalemia Hydroxychloroquine Uses, Dosage & Side Effects -, These Drugs Can Mess With Your Potassium Levels - GoodRx Which is more effective methotrexate or plaquenilPlaquenil and uctdPlaquenil and multivitaminsLong term plaquenil use In sum, hydroxychloroquine intoxication is infrequent but potentially fatal, and should be suspected in cases of severe hypopotassemia associated to shock, ventricular arrhythmias or cardiopulmonary arrest of uncertain origin. Hydroxychloroquine, a potentially lethal drug Medicina.. Chloroquine and Hydroxychloroquine Overdose. PLAQUENIL HYDROXYCHLOROQUINE SULFATE, USP WARNING PHYSICIANS.. Hydroxychloroquine and diabetes drugs all decrease your blood sugar level. Taking hydroxychloroquine with these drugs could cause hypoglycemia low blood sugar. May 24, 2019 The risk may also be higher with some doses of hydroxychloroquine, if you use hydroxychloroquine for longer than 5 years, or if you take certain other drugs like tamoxifen. Call your doctor right away if you have any eyesight changes like blurred or foggy eyesight, trouble focusing or reading, or trouble seeing in dim light. Of hydroxychloroquine or chloroquine poisoning although it has not been formally evaluated in these two particular medications. The possible worsening of hypokalemia warrants close serum potassium monitoring during the use of sodium bicarbonate. Therapeutic dose of hydroxychloroquine causing hypoglycemia in a diabetic patient on insulin was reported.