Can You Take Motion Sickness Medication After Ketorolac Allergy? - Pharmacology

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If you are allergic to KETO medications, can you take motion sickness medication?


I once received an injection of Ketorolac Tromethamine 30mg (Ktorlac INJ 30mg) and experienced a drug allergy.
I am planning to travel soon and would like to know if over-the-counter motion sickness medications are safe for me to take.

Niming, 20~29 year old female. Ask Date: 2017/06/20

Dr. Liao Huiling reply Pharmacology


Ketorolac and anti-motion sickness medications are not classified as the same type of drug.
Individuals who are allergic to Ketorolac may not necessarily be allergic to anti-motion sickness medications.
However, whether a person is allergic to anti-motion sickness medications can vary from individual to individual, depending on personal constitution and past allergy history.

Reply Date: 2017/06/20

More Info


When it comes to managing allergies and medication interactions, it's crucial to approach the situation with caution, especially after experiencing an allergic reaction to a specific medication like Ketorolac. Ketorolac is a nonsteroidal anti-inflammatory drug (NSAID) commonly used for pain relief, but it can cause allergic reactions in some individuals, which may manifest as hives, swelling, difficulty breathing, or other symptoms.

If you have had an allergic reaction to Ketorolac, it is essential to avoid all medications in the same class, including other NSAIDs such as ibuprofen, naproxen, and aspirin, as they may trigger similar allergic responses. However, when it comes to motion sickness medications, the situation can be different.

Most over-the-counter motion sickness medications, such as dimenhydrinate (Dramamine) or meclizine (Antivert), belong to a different class of drugs known as antihistamines. These medications work by blocking histamine receptors in the brain, which helps to prevent nausea and dizziness associated with motion sickness. Generally, antihistamines do not have the same mechanism of action as NSAIDs, and therefore, they are not likely to cause an allergic reaction similar to that of Ketorolac.

However, it is essential to consider a few factors before taking any new medication after an allergic reaction:
1. Consult Your Healthcare Provider: Before taking any new medication, including motion sickness drugs, it is advisable to consult with your healthcare provider or pharmacist. They can review your medical history and any allergies you may have to ensure that the medication is safe for you.

2. Check for Cross-Reactivity: While antihistamines are generally safe for individuals with NSAID allergies, there can be exceptions. Some individuals may have multiple drug allergies, and it is essential to ensure that the specific motion sickness medication does not contain any ingredients that you are allergic to.

3. Monitor for Allergic Reactions: If you decide to take a motion sickness medication, start with a low dose and monitor for any signs of an allergic reaction. If you experience symptoms such as rash, itching, swelling, or difficulty breathing, seek medical attention immediately.

4. Consider Non-Pharmacological Options: If you are concerned about taking medication due to your allergy history, consider non-pharmacological methods for managing motion sickness. These can include techniques such as focusing on the horizon, using acupressure wristbands, or practicing deep breathing exercises.

In summary, while it is generally safe to take motion sickness medication after experiencing an allergy to Ketorolac, it is crucial to consult with a healthcare professional first. They can provide personalized advice based on your medical history and ensure that you choose a safe option for managing your motion sickness during your travels. Always prioritize your safety and well-being when considering new medications, especially after an allergic reaction.

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