Cholinergic Urticaria

Symptoms Cholinergic urticaria is a type of urticaria that occurs primarily on the upper body, chest, neck, face, back, and arms. It manifests itself in an initially scattered and then coalescing redness of the skin, itching, burning and a sensation of warmth. At the same time, small wheals form, which are smaller than in other … Cholinergic Urticaria

Hydrochloric Acid

Products Hydrochloric acid is available in various concentrations at specialty stores. Structure and properties Hydrochloric acid is the name given to an aqueous solution of hydrogen chloride gas (HCl). Concentrated hydrochloric acid exists as a clear, colorless liquid that fumes in air with a pungent odor and is miscible with water. It has a concentration … Hydrochloric Acid

Levocetirizine

Products Levocetirizine is commercially available in the form of film-coated tablets and as drops (Xyzal, generic). It has been approved in many countries since 2001. Levocetirizine is the -enantiomer of cetirizine (Zyrtec, both UCB-Pharma SA). Levocetirizine tablets contain 5 mg of active ingredient; cetirizine tablets contain 10 mg (plus 5 mg of the -enantiomer). Unlike … Levocetirizine

Blocked Nose

Symptoms The possible symptoms of a stuffy nose include difficult nasal breathing, swelling of the mucous membrane, a feeling of fullness, secretions, crusting, rhinitis, itching, and sneezing. The stuffy nose often occurs at night while lying down and also triggers insomnia, sore throat and headache. Causes A stuffy nose restricts the flow of air through … Blocked Nose

Cold Urticaria

Note See also the following page: cholinergic urticaria. Symptoms Localized or generalized depending on exposure. Cold-exposed areas of the body are often affected, such as the face: wheals, redness, itching, burning, angioedema. Systemic accompanying symptoms such as fever, chills, pain, headache; complications such as anaphylaxis, respiratory distress, collapse (see below). Symptoms usually appear shortly after … Cold Urticaria

Hydroxyzine

Products Hydroxyzine is commercially available in the form of film-coated tablets and as a syrup (Atarax). It has been approved in many countries since 1956. Structure and properties Hydroxyzine (C21H27ClN2O2, Mr = 374.9 g/mol) is a piperazine derivative. It is present in drugs as hydroxyzine hydrochloride, a white crystalline powder that is readily soluble in … Hydroxyzine

Histamine Intolerance Symptoms and Causes

Symptoms The following pseudoallergic symptoms occur after ingestion of histamine-rich foods. The same person may not be affected by all of the symptoms. Diarrhea, stomach pain, colic, flatulence. Headaches and migraines, “histamine headache“. Dizziness Stuffy nose, runny nose, also known as gustatory rhinorrhea (runny nose when eating). Sneezing Headache Asthma, asthma attack Low blood pressure, … Histamine Intolerance Symptoms and Causes

Levodropropizine

Products Levodropropizine is commercially available in the form of drops and as a syrup (e.g., Quimbo). The drug is not registered in many countries. Structure and properties Levodropropizine (C13H20N2O2, Mr = 236.3 g/mol) is a white crystalline powder. It is the -enantiomer of dropropizine (Larylin) and a phenylpiperazine propane derivative. Levodropropizine is considered more pharmacologically … Levodropropizine