It won't harm you as long as you keep to the dosages recommended for each. For chronic users, however, this combo made lead to some insomnia. Warning: I was takin â¦ g 10mg oxycodone every 3-4 hours when I took one Sudafed.t won't harm you as long as you keep to the dosages recommended for each. For chronic users, however, this combo made lead to some insomnia. Warning: I was takin â¦ g 10mg oxycodone every 3-4 hours when I took one Sudafed.
Define crestfallen. crestfallen synonyms, crestfallen pronunciation, crestfallen translation, English dictionary definition of crestfallen. adj. Dispirited and depressed; dejected. crestâ²fallâ²enÂ·ly adv. crestâ²fallâ²enÂ·ness n. adj dejected, depressed, or disheartened ËcrestËfallenly adv adj.
( crests plural ) 1 n-count The crestof a hill or a wave is the top of it., If you say that you are on the crest of a wave , you mean that you are feeling very happy and confident because things are going well for you. â¦ on the crest of a wave phrase v-link PHR, PHR after v.