Final answer:
The common adverse effects of H2 receptor antagonists include gastrointestinal issues, weight changes, cardiovascular system effects such as increased heart rate and hypertension, and less commonly, an increased risk for certain chronic diseases.
Step-by-step explanation:
What are the common adverse effects for all H2 receptor antagonists? While individual side effects may vary among different H2 receptor antagonists, there are some common adverse effects that patients may experience. These can include gastrointestinal issues such as indigestion, heartburn, stomach pain, nausea, diarrhea, constipation, as well as weight changes like weight gain or loss. Other side effects may involve the cardiovascular system, including increased heart rate, hypertension, and a higher probability of heart attacks. Less common but serious side effects may include an increased risk for conditions like colon cancer, osteoporosis, heart disease, macular degeneration, and depression.