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Quzyttir vs. Benadryl Injection

Are Quzyttir and Benadryl Injection the Same Thing?

Quzyttir (cetirizine hydrochloride injection) and Benadryl Injection (diphenhydramine hydrochloride) are antihistamines used to treat acute hives (urticaria).

Benadryl Injection is also used to treat life-threatening allergic reactions (anaphylaxis) along with epinephrine and other treatments. Benadryl Injection is also used to relieve symptoms of household allergies, hay fever and the common cold when medication cannot be given by mouth. Benadryl Injection is also used to treat nausea, vomiting and dizziness caused by motion sickness when medication cannot be given by mouth.

The brand name of Benadryl Injection is discontinued, but generic versions may be available.

Side effects of Quzyttir and Benadryl Injection that are similar include headache, drowsiness, dry mouth, and dizziness.

Side effects of Quzyttir that are different from Benadryl Injection include changes in taste, numbness and tingling, lightheadedness, indigestion, feeling hot, increased sweating, fatigue, and sore throat.

Side effects of Benadryl Injection that are different from Quzyttir include irritability, stomach upset, vision changes (e.g., blurred vision), decreased coordination, and dry nose/throat.

Quzyttir may interact with theophylline.

Benadryl Injection may interact with antihistamines applied to the skin, antispasmodics, drugs for Parkinson's disease, MAO inhibitors, antidepressants, and drugs that cause drowsiness (such as antihistamines, anti-seizure drugs, medicines for sleep or anxiety, muscle relaxants, narcotics, or psychiatric medicines).

What Are Possible Side Effects of Quzyttir?

Common side effects of Quzyttir include:

  • changes in taste,
  • headache,
  • numbness and tingling,
  • lightheadedness,
  • indigestion,
  • feeling hot,
  • increased sweating,
  • drowsiness,
  • fatigue,
  • dry mouth,
  • sore throat, and
  • dizziness

What Are Possible Side Effects of Benadryl Injection?

Common side effects of Benadryl Injection include:

  • drowsiness,
  • dizziness,
  • headache,
  • irritability,
  • stomach upset,
  • vision changes (e.g., blurred vision),
  • decreased coordination, or
  • dry mouth/nose/throat.

Tell your doctor right away if you have any serious side effects of Benadryl Injection including mental/mood changes (such as restlessness, confusion), pounding or irregular heartbeat, ringing in the ears, seizures, or difficulty urinating.

What Is Quzyttir?

Quzytiir (cetirizine hydrochloride injection) is a histamine-1 (H1) receptor antagonist used to treat acute hives (urticaria) in adults and children 6 months of age and older.

What Is Benadryl Injection?

Benadryl Injection (diphenhydramine hydrochloride) is an antihistamine used to treat life-threatening allergic reactions (anaphylaxis) along with epinephrine and other treatments. Benadryl Injection is also used to relieve symptoms of household allergies, hay fever and the common cold when medication cannot be given by mouth. Benadryl Injection is also used to treat nausea, vomiting and dizziness caused by motion sickness when medication cannot be given by mouth. The brand name of Benadryl Injection is discontinued, but generic versions may be available.

What Drugs Interact With Quzyttir?

Quzytiir may interact with other drugs. Tell your doctor all medications and supplements you use. Tell your doctor if you are pregnant or plan to become pregnant before using Quzytiir; it is unknown how it would affect a fetus. Quzytiir passes into breast milk. Consult your doctor before breastfeeding.

What Drugs Interact With Benadryl Injection?

Benadryl Injection may interact with:

  • antihistamines applied to the skin,
  • antispasmodics,
  • drugs for Parkinson's disease,
  • MAO inhibitors,
  • antidepressants, or
  • drugs that cause drowsiness such as
    • antihistamines,
    • anti-seizure drugs,
    • medicine for sleep or anxiety,
    • muscle relaxants,
    • narcotics, or
    • psychiatric medicines

Tell your doctor all medications and supplements you use.

How Should Quzyttir Be Taken?

The recommended dose of Quzytiir for adults and adolescents 12 years of age and older is 10 mg. The recommended dose of Quzytiir for children 6 to 11 years is 5 mg or 10 mg. The recommended dose of Quzytiir for children 6 months to 5 years is 2.5 mg.

How Should Benadryl Injection Be Taken?

The adult dose of Benadryl Injection is 10 to 50 mg intravenously at a rate generally not exceeding 25 mg/min, or deep intramuscularly, 100 mg if required; maximum daily dosage is 400 mg.

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