The liquid is called ritonavir oral solution. Both preparations are equally effective and have similar potential side-effects and drug interactions. The following suggestions may help to mask this taste and ease the change from capsules to liquid. Different things work for different people, so if you're having difficulty at first, persevere with some alternatives.
Chocolate flavour seems to be best at disguising the taste.
You can also try drinking the mixture through a straw to bypass most of the tastebuds. For best results, chill the drink in the fridge first. Drink half of it, followed by the ritonavir, then finish off the icy drink. Alternatively, suck an ice cube or ice lolly before taking the dose. Other information about ritonavir liquid Ritonavir liquid should be kept at room temperature.