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Table 4 Adverse events in groups receiving prophylactic agents for AMS

From: Rhodiola crenulata extract for prevention of acute mountain sickness: a randomized, double-blind, placebo-controlled, crossover trial

Adverse event

Rhodiola(n = 102)

Placebo (n = 102)

Difficulty in falling asleep

1 (0.98)

1 (0.98)

Light sleep

3 (2.94)

1 (0.98)

Dizziness

2 (1.96)

0 (0.00)

Drowsiness

2 (1.96)

0 (0.00)

Pruritus

1 (0.98)

1 (0.98)

Dry hand

1 (0.98)

0 (0.00)

Abdominal distension

1 (0.98)

0 (0.00)

General soreness

1 (0.98)

0 (0.00)

Dry mouth

0 (0.00)

3 (2.94)

Headache

0 (0.00)

2 (1.96)

Palpitation

0 (0.00)

2 (1.96)

Flushed face

0 (0.00)

1 (0.98)

Increased urination

0 (0.00)

1 (0.98)

  1. Data are presented as count (%).