Can I Take Motion Sickness Medication After Allergic Reaction to Antiemetics? - Pharmacology

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Hello! I would like to ask if I previously had an allergic reaction to antiemetic medication and experienced symptoms of extrapyramidal symptoms (EPS), can I take motion sickness medication? The motion sickness medication I purchased is Torukuron Tablets.
Thank you!

Minnie, 20~29 year old female. Ask Date: 2005/08/17

Dr. Chen Yuemei reply Pharmacology


Hello! Based on your description, the antiemetic you previously took may have been a Phenothiazine rather than an antihistamine.
The main ingredients in Sukral are caffeine and an antihistamine (as confirmed by the medication license registered with the Department of Health).
Antihistamines have sedative effects, and it is only at high doses that they may cause extrapyramidal symptoms (EPS).
If you can identify the specific antiemetic you took before, I hope you can write down the name of the medication.
This way, when you visit a doctor or go to a pharmacy in the future, you can show it to the physician or pharmacist to avoid taking similar medications.

Reply Date: 2005/08/17

More Info


When considering the use of motion sickness medication after experiencing an allergic reaction to antiemetics, it is crucial to understand the potential risks and interactions involved. In your case, you mentioned having an allergic reaction to antiemetics, which resulted in extrapyramidal symptoms (EPS). This is a serious concern, as EPS can manifest as involuntary muscle movements, tremors, and other neurological symptoms, often associated with certain classes of medications, particularly those that affect dopamine pathways in the brain.

The medication you are considering, Torukuron (which contains the active ingredient Ondansetron), is primarily used as an antiemetic to prevent nausea and vomiting. However, it is important to clarify whether Torukuron is indeed the medication you are referring to, as there may be confusion with other motion sickness medications that could have different active ingredients.

If you are looking at a motion sickness medication that contains dimenhydrinate or meclizine, these are typically antihistamines that can cause sedation and may have different side effects compared to the antiemetics that caused your allergic reaction. While these medications are generally considered safe for most individuals, your previous allergic reaction raises a flag for caution.

Here are some important considerations:
1. Consult Your Healthcare Provider: Before taking any new medication, especially after a previous allergic reaction, it is essential to consult with your healthcare provider. They can review your medical history, the specifics of your allergic reaction, and determine whether it is safe for you to take the motion sickness medication.

2. Potential Cross-Reactivity: There is a possibility of cross-reactivity among medications, particularly within the same class. If your allergic reaction was due to a specific ingredient in the antiemetic, it is important to ensure that the motion sickness medication does not contain similar ingredients or have similar mechanisms of action.

3. Monitoring for Symptoms: If you do receive clearance from your healthcare provider to take the motion sickness medication, monitor yourself closely for any signs of an allergic reaction or exacerbation of EPS symptoms. If you experience any unusual symptoms, seek medical attention immediately.

4. Alternative Options: If there is concern about taking traditional motion sickness medications, discuss alternative options with your healthcare provider. Non-pharmacological interventions, such as acupressure bands or ginger supplements, may also be effective for managing motion sickness without the risk of allergic reactions.

5. Educate Yourself on Side Effects: Be aware of the potential side effects of the motion sickness medication you plan to take. Understanding what to expect can help you identify any adverse reactions early on.

In summary, while it may be possible to take motion sickness medication after an allergic reaction to antiemetics, it is imperative to do so under the guidance of a healthcare professional. They can help you navigate the risks and ensure that you choose a safe option for managing your motion sickness. Always prioritize your safety and well-being when it comes to medication use.

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