Question

Whenever we take a vaccine,why we feel drowsy?

Answer 1

Answer:

Soreness, redness, or swelling where the shot is given, tiredness, fatigue, headache, muscle or joint pain, fever, chills, nausea, or diarrhea can happen after meningococcal B vaccine. Some of these reactions occur in more than half of the people who receive the vaccine.

Answer 2

Reason for drowsiness whenever we take vaccine:

• Medications which cause Fatigue.
• Few of the most usual drugs that can make you tired are: Allergy medications (antihistamines), such as diphenhydramine, brompheniramine (Dimetapp), hydroxyzine (Vistaril, Atarax), and meclizine (Antivert).
• Drowsiness is a 'bigger side effects' of some "antihistamines", such as "doxylamine succinate" ( "antihistamine found in Nyquil") and "diphenhydramine" ('Benadryl').
• And due to their 'powerful sedating qualities', "antihistamines" are also known as the "active ingredients" which present in numerous over-the-"counter sleep aids".

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