Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Chloroquine phosphate toxic Does plaquenil reduce spleen inflammation Saturday was a week since I stopped taking Plaquenil, aka Hydroxychloroquine, per my doctor's instructions, and I think I am going through some form of withdrawal. I took the drug as a treatment for sarcoidosis and one of the side effects is a reduction in white blood cells, which is what has happened to me. I recently decided to stop taking Plaquenil because I was having constant chest pains even more so than I usually have due to Lupus. Since I have not taken it my chest feels so much better which is odd because chest pain is not listed as a side effect. I have read about people stopping P & flaring up. Those who stopped it abruptly had real problems similar to what you are experiencing. If you really need to get off it, I would taper down slowly, very slowly. There is a similar posting on Healthunlocked, "Why oh why did u stop taking plaquenil." You may want to check it out. 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. Stopping hydroxychloroquine abruptly Hydroxychloroquine - Side Effects, Dosage, Interactions., Had to stop taking Plaquenil - Is there weight loss with plaquenil Withdrawal syndrome is found among people who take Plaquenil, especially for people who are female, 50-59 old also take medication Lyrica, and have Fibromyalgia. This study is created by eHealthMe based on reports of 48,911 people who have side effects when taking Plaquenil from Food and Drug Administration FDA, and is updated regularly. Will you have Withdrawal syndrome with Plaquenil - eHealthMe. Hydroxychloroquine plaquenil withdrawl? - LUPUS UK. PLAQUENIL Side Effects, Reviews by Patients -. I was wondering what would happen when you stop taking plaquenil after trying it out for 3- 6 months. If you have a tolerance for methadone and just suddenly stop taking it, you will begin to. If your rheumatoid arthritis symptoms do not improve, or if they worsen, stop taking the drug and call your doctor. Once you and your doctor are sure the drug works for you, do not stop taking hydroxychloroquine without talking to your doctor. Symptoms of rheumatoid arthritis will return if you stop taking hydroxychloroquine. 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.