Symptoms of an allergic reaction to sulfa drugs include hives, decreased blood pressure and swelling of the mouth, face, throat and tongue, according to Healthline. Another symptom of sulfa drug reaction is anaphylaxis, ... More »

www.reference.com Health Medications & Vitamins Side Effects

Painkillers do cause certain people to experience allergic reactions, according to eMedicineHealth. Examples of painkiller medications include morphine, codeine and nonsteroidal anti-inflammatory drugs, such as indometha... More »

www.reference.com Health Medications & Vitamins Side Effects

Pictures of allergic skin reactions are available from the Mayo Clinic, which offers a slideshow that includes rashes from atopic dermatitis, contact dermatitis and drug rash. Healthline also offers pictures of allergic ... More »

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Swelling of the face or throat, hives, and the inability to breathe are signs of an extreme allergic reaction to L-tryptophan and should be treated immediately, advises Drugs.com. Less serious and more common side effect... More »

www.reference.com Health Medications & Vitamins Side Effects

People allergic to krill oil may experience difficulty breathing, hives, and swelling of the lips, tongue, throat or face, explains Drugs.com. It is necessary to stop using the oil if serious side effects occur, includin... More »

Use of biotin in high doses has been shown to cause hives, difficulty breathing and swelling of the face, lips, tongue and throat. These effects are uncommon in normal doses, claims Drugs.com. More »

www.reference.com Health Medications & Vitamins Side Effects

A potentially dangerous side effect of ubiquinone is an allergic reaction that may include dizziness, breathing difficulty, rash, itching, and swelling of the face, tongue or throat, states WebMD. This type of reaction i... More »

www.reference.com Health Medications & Vitamins Side Effects