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Table 5 Side effects reported by study participants after e-cigarette use initiation

From: Patterns of tobacco and e-cigarette use status in India: a cross-sectional survey of 3000 vapers in eight Indian cities

 n (%)
Side effectsTotal
 Sore or dry mouth and throat185 (6.2)
 Headache261 (8.7)
 Gingivitis/gum bleeding31 (1.0)
 Dental problems48 (1.6)
 Mouth or tongue sores/inflammation43 (1.4)
 Black tongue51 (1.7)
 Nose bleeding35 (1.2)
 Cough540 (18.0)
 Bowel problems (diarrhea/constipation/pain)5 (0.2)
 Muscle cramps22 (0.7)
 Dizziness88 (2.9)
 Sleepiness73 (2.4)
 Sleeplessness24 (0.8)
 Heart palpitations11 (0.4)
 Breathing difficulties57 (1.9)
 Allergic reactions23 (0.8)
 Chest pain119 (4.0)
 Loss of appetite15 (0.5)
 No side effects2004 (66.8)
Did the above-mentioned symptoms resolve over time?1
 Completely resolved426 (42.8)
 Partially resolved501 (50.3)
 Completely unresolved69 (6.9)
  1. 1Proportion of those reporting any side effect