If your Piper Crocatum is showing signs of stress (drooping leaves, discoloration, weak stems) check that it's getting the right levels of light and watering.
If the soil is soggy, allow it to dry out or move it closer to a window. If the leaves are crispy, try watering more frequently or moving it out of direct sunlight.
Like all houseplants, Piper Crocatum is also susceptible to pests like mealybugs and spider mites. Check plants regularly for pests, and isolate and infect plants to treat them with a natural insect treatment.