A bitter taste in your mouth is not usually a serious problem, but it can interfere with your daily life and affect your diet.
Allergies occur when a person reacts to substances in the environment that are harmless to most people.
Hives, also called urticaria, are red, itchy bumps (hives) or spots that rise on the skin.
Certain medical conditions can cause difficulty breathing and swallowing. Swallowing problems can be mild or severe.
Allergies to certain medications can also cause lips to swell overnight. Minor reactions may include a rash or itching.
Tightness in the throat can feel like the airways are narrowing, leading to symptoms such as difficulty swallowing or breathing.
Hoarseness, also known as dysarthria, is a disorder characterized by changes in the tone or quality of the voice
A skin rash develops when the skin becomes red, inflamed, and bumpy. Some rashes are dry and itchy. Some are painful.