Table 1 The symptoms and associated illnesses in 34 patients complaining from H2S effects
From: Short-term effects of subchronic low-level hydrogen sulfide exposure on oil field workers
Symptoms | No. of cases (%) | Associated illnesses (no.) and remarks | |
|---|---|---|---|
Nasal bleeding | 14 (41.2) | Chronic sinusitis (1), nasal soreness (1), common cold (1), rhinitis (1) | |
Pharyngeal bleeding | 5 (14.7) | Mild and less frequent bleeding at home (1) | |
Gum bleeding | 3 (8.8) | Gingivitis (1) | |
Bloody saliva (mouth bleeding) | 4 (11.8) | Mild and less frequent bleeding at home (1) | |
Tongue bleeding | 1 (2.9) | ||
Nasal and tongue bleeding | 1 (2.9) | Atrophic rhinitis | |
Nasal bleeding and bloody sputum | 1 (2.9) | Acute bronchitis and common cold | |
Gum bleeding and bloody saliva | 1 (2.9) | ||
Nasal and gum bleeding | 1 (2.9) | ||
Nasal bleeding, headache, and abdominal colic | 1 (2.9) | ||
Pharyngeal soreness | 1 (2.9) | Complaining at oil field only | |
Headache, fatigue, and sleepiness | 1 (2.9) | Complaining at oil field only | |