Browse Side Effects

High-dose biotin supplementation can paradoxically cause skin rashes, including maculopapular, erythematous, or urticari...

Rarely, skin reactions including rashes may occur. These can manifest as redness, itching, or hives, typically mild in n...

Certain fragrance ingredients can make skin more sensitive to sunlight, increasing the risk of sunburn and other adverse...

Skin yellowing, or jaundice, results from elevated bilirubin levels, causing a yellowish discoloration of the skin and e...

Glycine supplementation may cause soft stools or diarrhea due to its osmotic effect in the intestines. The severity and...

Stinging is a sensory experience ranging from mild prickling to intense burning pain, often localized to the application...

Stomach cramps involve painful abdominal muscle contractions causing discomfort or severe pain, often with bloating and...

Stomach discomfort can manifest as mild upset, nausea, or diarrhea. Symptoms are typically mild and resolve on their own...

Stomach irritation involves discomfort in the stomach lining, presenting as nausea, heartburn, bloating, or abdominal pa...

Stomach pain, including discomfort or cramping, can occur as a side effect, especially when substances are taken on an e...

Stomach upset involves abdominal pain, cramping, bloating, and potential diarrhea, nausea, or vomiting. Severity varies...

Sun sensitivity is an increased susceptibility to UV radiation, leading to exaggerated sunburn reactions and potential l...

Tea tree oil ingestion can cause serious systemic toxicity, including confusion, ataxia, and decreased consciousness. Th...

Rare but serious systemic toxicity can occur from excessive topical salicylate use, leading to salicylate poisoning. Sym...

High doses of retinyl palmitate during pregnancy can cause birth defects in the developing fetus. Pregnant women should...