5th house belongs to Sun, which signifies male offspring. If Rahu is benefic native will be rich, wise, enjoy good health. He would enjoy good income and good progress. The native would be a devout or philosopher. If Rahu is malefic it leads to abortions. After the birth of a son, wife.s health will suffer for twelve years. If Jupiter is also in 5th house father of native will be in trouble.
Lal Kitab Remedies for Rahu:
Keep an elephant made of silver.
Abstain from wine, non-vegetarianism and adultery.