Historians long considered that the Phoenicians sailed only during the day-time as they had to keep close to the shoreline and within sight of landmarks; at night they, therefore, had to beach or anchor their ships and this explained the proximity of some Phoenician colonies, a day's sailing distance from each other.
Common side effects associated with Zantac (ranitidine) are headache, drowsiness, dizziness, insomnia, nausea, vomiting, stomach pain, diarrhea, or constipation. This is not a complete list of side effects associated with Zantac (ranitidine). Take Zantac (ranitidine) exactly as prescribed by your physician. Zantac (ranitidine) can be taken 150mg once to twice a day or 300mg once day.
1 Long-term use of excessive doses (more than 3 grams a day) may cause impotence or breast enlargement in men. These problems resolve after the drug is discontinued.  Ranitidine (Zantac, Zantac 75, Zantac Efferdose, Zantac injection, Zantac Syrup). Ranitidine (Zantac) interacts with very few drugs. In a recent study, ranitidine provided more pain relief and healed ulcers more quickly than cimetidine in people less than 60 years old, but there was no difference in older patients.