 [ Symptoms ] what could sudden lower back pain nausea and then it moving to the abdomen be it has happened 2x is since yesterday the details above are vague while in the bath yesterday i had this sudden pain in my lower back that lasted about 30secs then it dulled down but moved to my lower abdomen like cramps during all this i began to get really nausea is i got out and thought maybe i had the water too hot well today while riding my ike it happened again it only lasts aout 15 mins all together but it really hurts i am not on my period currently and i have and iud so i should not be pregnant anyone have any idea [ Disease ] unlike sunscreen which is important to reapply every few hours insect repellent generally should be used just once a day and then washed off before bedtime check labels for age recommendations deet is approved for infants over 2 months oil of lemon eucalyptus is not recommended until at least 3 years higher concentrations of deet last longer than lower ones 10 deet is effective for 2 hours while 24 is effective for about 5 the american academy of pediatrics recommends that children use deet concentrations below 30 deet and picaridin tend to last longer than plant oil based repellents you can also use netting to physically keep bugs away from your baby 