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Author Question: A sudden, involuntary, strong muscle contraction is called a spasm. Indicate whether the ... (Read 34 times) |
Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Thyroid conditions may make getting pregnant impossible.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.