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Table 5 Adverse events by treatment group occurring in ≥2 patients with Down syndrome

From: Efficacy and safety of oral sildenafil in children with Down syndrome and pulmonary hypertension

  

Sildenafil Dose

Adverse Event, n (%)

Placebo

(n = 12)

Low

(n = 7)

Medium

(n = 12)

High

(n = 17)

Conjunctivitis

1 (8)

0

0

2 (12)

Diarrhea

2 (17)

1 (14)

1 (8)

4 (24)

Vomiting

0

1 (14)

1 (8)

3 (18)

Pharyngitis

0

1 (14)

2 (17)

0

Upper respiratory tract infection

1 (8)

2 (29)

3 (25)

0

Pneumonia, bacterial

2 (17)

0

0

0

Headache

1 (8)

1 (14)

1 (8)

2 (12)

  1. Includes data up to 7 days after last dose of sildenafil