Moon present in the 8th house of the rasi chart in the nakshatra of Mars. Since there is no aspect of either a benefic or a malefic planet, balarishta effects will be low.
The current dasa lord is Mars. Mars is the lord of the 6th house (rogasthana). Mars and the 6th house will remain active even in all subsequent dasas due to either its lordship of a rasi or due to it being the nakshatra lord. As such, this ill health will continue (The 6th house relates to the intestines and the digestive system). This is more since the Lagna lord is also in the 6th house. Additionally Saturn also aspects the 6th house. Jupiter is the Badhaka and Venus is the lord of the 22nd Drekkana. Mars aspects both Saturn and Lagna. As such, nearly all planets contribute to illness.
A shanti for Kuja can help.