Marketed as in the us and/or mexico as:

COMPARISON OF SEASICKNESS MEDICATIONS

Table 1. Comparison of dosages, side effects and measures of effectiveness for various medications used to prevent seasickness
Marketed in the US
Generic name:
Recommended
Children’s dosage (6-
Interval to be
Most common side effects:
Severity of motion
and/or Mexico as:
12 years):
effective/ duration of
drug is effective
effectiveness (hours)1
against: 1
DRAMAMINE
every 4-6 hrs as needed; hrs as needed; dosage increased sensitivity to the sun, excitability in children. MAREZINE
PHENERGAN
STUGERON
TRANSDERM
SCOP(OLAMINE)
as necessary. Do not tear patch in half! (Oral Scopolamine)
dilation of the eyes disorientation, confusion, hallucinations, difficulty urinating. 1From a study for the Public Health Agency of Canada by the Committee to Advise on Tropical Medicine and Travel titled “Statement on Motion Sickness”

Table 2. Comparison of contraindications and complications for various medications used to prevent seasickness
Marketed in the US
Generic name:
Avoid taking with:
Do not take if:
Seek doctor’s advice if any of the
and/or Mexico as:
following apply:
DRAMAMINE
disease, urinary system problems, irregular heart beat or heart disease, diabetes, ulcers, hypertension, pregnant MAREZINE
prostate gland, urinary problems, pregnant PHENERGAN
STUGERON
TRANSDERM
SCOP(OLAMINE)
irregular heart beat or heart disease, psychotic illness, stomach or intestinal blockage; taking anti-cholinergics; children; elderly; pregnant (Oral Scopolamine)
prostate gland, kidney/liver disease, urinary system problems, irregular heart beat or heart disease, psychotic illness, stomach or intestinal blockage; taking anti-cholinergics; children; elderly; pregnant
Table 3. Survey results from 28 respondents who had tried one or more seasickness medications

Generic name:
Of tried, %
Of tried, %
Reported side effects (in order of
ineffective1:
side effects:
frequency):
prefer2:
recommend2:
DRAMAMINE
MAREZINE
PHENERGAN
STUGERON
TRANSDERM
SCOP(OLAMINE)
problems, impaired/drugged, rash, balance problems, inability to concentrate, inability to be woken, hallucinations SCOPACE3
(Oral Scopolamine)
1In severe weather/for severe symptoms
2Percent of total respondents who prefer or recommend for moderate to severe symptoms/weather (Note: Some respondents did not prefer or recommend any
drugs.)
3Too small a sample size to draw conclusions

Source: http://www.bethandevans.com/pdf/Seasickness%20meds%20tables.pdf