I saw a GP about it (not my usual one) and they strongly suspect it is being caused by MTX but I have just spoken to the Rheumy nurse who thinks Hydroxy is the more likely suspect or it may be an autoimmune response so now I have to withhold all rheumy meds. It seems to improve when I am on steroids but only at higher doses. Thanks, Tamara I am on all sorts of meds including MTX and Hydroxy. Plaquenil months How is drug chloroquine administered Plaquenil and Rashes - from FDA reports Summary Rashes is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 1 month, also take medication Enbrel, and have Pain. Symptoms and Signs. Symptoms. Patients in earlier stages of hydroxychloroquine retinal toxicity usually do not experience symptoms, though the rare patient may note a paracentral scotoma that causes trouble with reading as well as diminished color vision. However, most patients usually notice symptoms only after scotomas have become severe. The following case studies illustrate examples where Plaquenil administration was associated with either new onset psoriasis or flaring of pre-existing psoriasis. Case 1. A middle-aged woman sought another opinion for a puzzling rash which had been seen by two dermatologists. At first, skin biopsies showed features of eczema. Subsequent biopsies I can't face the GP again, as I am sure I am one of the "heart-sink" patients! I have recently developed an itchy rash which only affects my cheeks and eyebrows and haven't a clue what's causing it, so I hope you get some helpful replies that might help me too! Hydroxychloroquine causing rash where Hydroxychloroquine Side Effects, Dosage, Uses, and More, Hydroxychloroquine-Induced Retinal Toxicity - American. Plaquenil pharmacologyCan hydroxychloroquine be used for thyroid Can plaquenil hydroxychloroquine cause a blistering rash on palms of hands. Is that a common side affect. I am also vomiting everyday. How long does it take for plaquenil hydroxychloroquine to work with rashes? Plaquenil hydroxychloroquine has brought ANA, SED, C-Reactive down. I function-barely. Plaquenil hydroxychloroquine 200mg is it causing itchy.. Psoriasis Associated with Plaquenil Hydroxychloroquine - Dr.. Plaqunil rash -. This may lead to lasting eyesight problems. The risk may be higher if you have some types of eye or kidney problems. 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. 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 HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth.