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Biomesina (Scopolamine)

Active Ingredient: Scopolamine
Dosage: 10 mg
Route of Administration: Oral
Dosage Form: Tablets
Quantity per package: 10 tablets per pack
Availability: Out of stock

Why is Biomesina Not Used in the USA?

Biomesina is not commonly used in the USA, partly because the U.S. has strict regulations regarding anticholinergic drugs due to their side effects, such as drowsiness, dry mouth, and visual disturbances. Instead, other medications with a better side-effect profile are preferred.

Alternative Drugs Used in the USA for Similar Conditions

In the United States, other medications are prescribed for the same indications (nausea, vomiting, dizziness, motion sickness) with different active ingredients. Here are some:

For Motion Sickness and Nausea

For Recovery from Anesthesia and Associated Nausea

These alternatives are commonly used in the USA due to their effectiveness in treating the same symptoms and having regulatory approval based on their safety profiles.

What is Biomesina?

Biomesina (scopolamine) is an oral anticholinergic drug that is used to relieve nausea, vomiting, and dizziness associated with motion sickness and recovery from anesthesia. It may also treat parkinsonism, spastic muscle states, diverticulitis, irritable bowel syndrome and other conditions. This drug works by blocking certain neurotransmitters in the central nervous system, helping to prevent the development of nausea and motion sickness symptoms.

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Biomesina is indicated as spasmolytic of selective action. It is prescribed for the irritable colon, gastric and duodenal ulcer, spasms and motility disorders of the gastrointestinal tract, spastic constipation, spasms and dyskinesias of the bile and urinary tract, dysmenorrhea.

Popularity in Specific Countries

Biomesina is commonly used in countries where access to motion sickness treatments is limited to fewer options, including several Latin American countries such as Mexico. It is favored in these regions due to its effectiveness and affordability.

Dosage and administration

Biomesina is typically available in the form of tablets or patches. The dosing depends on the severity of the symptoms and the specific needs of the patient, and it should be adjusted according to medical advice.

  • Adults and children over 12 years old: 1-2 tablets every 8 hours.
  • Children from 7 to 11 years old: 1 tablet every 8 hours.
  • Do not chew the tablet. The dose of 6 tablets per day should not be exceeded.


Biomesina should not be indicated for patients who have hypersensitivity to the components of the components, liver failure, paroxysmal tachycardia, asthma, paralytic ileus, glaucoma, pyloric stenosis, prostatic hypertrophy, achalasia, renal failure, urinary retention, and megacolon.

Side effects

Due to its oral administration and low concentration, there are no symptoms that are characterized in alkaloids. However, pupil dilation, blurred vision, increased heart rate, urinary retention, dry mouth, and throat may rarely occur. These symptoms are more frequent in parenteral administration and in rare cases, anaphylactic shock may occur.


When an overdose happens, the side effects occurred are the same as the parasympatholytic activity. They are vision impairment, loss of accommodation, dry mouth, bradycardia followed by tachycardia and hallucinations.

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Biomesina is possible to potentiate with tricyclic antidepressants, quinidine, and amantadine.

Always inform your healthcare provider about all medications, supplements, and herbal products you are taking before starting scopolamine or any new medication to avoid potential interactions and ensure safe and effective treatment.